Required Files
- active_record/type/decorator
- active_record/type/mutable
- active_record/type/numeric
- active_record/type/time_value
- active_record/type/value
- active_record/type/big_integer
- active_record/type/binary
- active_record/type/boolean
- active_record/type/date
- active_record/type/date_time
- active_record/type/decimal
- active_record/type/decimal_without_scale
- active_record/type/float
- active_record/type/integer
- active_record/type/serialized
- active_record/type/string
- active_record/type/text
- active_record/type/time
- active_record/type/unsigned_integer
- active_record/type/type_map
- active_record/type/hash_lookup_type_map